Do not charge the un-rechargeable battery. Indoor use, no exposure to rain. When charging, do not cover the charger, put charger in a well-ventilated area. There is high-voltage. Non-professionals shall not open the charger. Keep away from fire, sparks and explosive gases. If soft wire is damaged, to avoid danger do not use. Before connecting or disconnecting the battery charger from the battery, disconnect the charger from source. WARNING keep away from flames, sparks and explosive gases and keep it sufficient ventilation to avoid fire. When using, the temperature can not exceed the following requirement: Charging: 0 – +50 degrees of Celsius Working: -20 – +60 degrees of Celsius.
